Improper Cryptographic Signature Verification in Edito CMS by Edito
CVE-2026-59074
8.7HIGH
What is CVE-2026-59074?
Edito CMS is affected by a vulnerability that allows authenticated low-privilege users to bypass cryptographic signature verification in the JWT refresh logic. By submitting a maliciously crafted JWT containing an existing user identifier, an attacker can successfully acquire a valid, fully-signed session token for any user account, including those of administrators. This critical security flaw emphasizes the need for robust signature validation mechanisms to prevent unauthorized access and user impersonation.
Affected Version(s)
Edito CMS 0 < 5.10.2607
References
CVSS V4
Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None
Timeline
Vulnerability published
Vulnerability Reserved
Credit
Michał Majchrowicz (AFINE Team)
Dawid Małecki (AFINE Team)
​Paweł Zdunek (AFINE Team)
